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| author | Cameron Zwarich <zwarich@apple.com> | 2011-07-08 21:39:21 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2011-07-08 21:39:21 +0000 |
| commit | 33390848a7eca75301d04a59b89b516d83e19ee0 (patch) | |
| tree | 78f81419440b86ae4fa8a150780b7f211668b781 /lib/Target/ARM/ARMISelLowering.cpp | |
| parent | cc0ddc707d5a7b1dd11141881df0bf4210f8aeee (diff) | |
Add an intrinsic and codegen support for fused multiply-accumulate. The intent
is to use this for architectures that have a native FMA instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134742 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index d9bb3e65fa..4340a71477 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -708,6 +708,9 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM) setOperationAction(ISD::FPOW, MVT::f64, Expand); setOperationAction(ISD::FPOW, MVT::f32, Expand); + setOperationAction(ISD::FMA, MVT::f64, Expand); + setOperationAction(ISD::FMA, MVT::f32, Expand); + // Various VFP goodness if (!UseSoftFloat && !Subtarget->isThumb1Only()) { // int <-> fp are custom expanded into bit_convert + ARMISD ops. |